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Old November 23rd, 2012, 03:37 AM   #1
tubarney
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R6 Quick turn throttle

I have been looking for a quick-turn throttle tube for the Ninja 250r for quite some time now. The Kyle racing throttle tube is over 100 dollars which is way too much to pay considering a zip tie and some glue will do the same job. Yet I am not confident having something as important as the my throttle rely on a piece of glued on plastic for it to function properly.

So I went looking for an alternative and i have found one. I have been reading about people who put r6 throttle on their cbr's and sv650's and was thinking i would give it a go on my 2010 Ninja 250r.

I went down to the Yamaha dealership and order a 2004 R6 thrrotle tube with a grip "GRIP ASSY" cost me around 25 Australian dollars.

Part Number 5SL-25240-01.

I'm glad to say it fit like a glove!

This mod was so easy and requires absolutely no cutting/modding of anything. Simply take the old ninja 250 throttle tube out and put in the r6 one and it will fit, for me without any adjustment of the throttle cables.

Will post photo's tomorrow when it's daylight.
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Old November 23rd, 2012, 07:31 AM   #2
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Cool! I wanna see the pics too.
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Old November 23rd, 2012, 07:37 AM   #3
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Interested as well, can't wait for pics.
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Old November 23rd, 2012, 09:29 PM   #4
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the r6 throttle has the same outer diameter as the stock 250r. You can see the difference where the cables attach to the tube.



They are the same length!



Your only clearance issue is getting the black cable guide to fit underneath the lip on the throttle tube.



If you can get it like this, the stock housing of the 250r will go back together and sit completely flush. My throttle cables are adjusted by the mechanic at the local dealership so if yours are adjusted correctly it should take no cable adjustments!



There's a plastic washer on the r6 throttle tube, leave it outside the housing or cut it off as it is not necessary on the 250r.



Now time for some new grips.

Also, when you order the the throttle tube try to order it without the stock r6 grip as it should be cheaper.
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Old November 23rd, 2012, 09:33 PM   #5
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Took it for a ride today and absolutely love the result. It didn't reduce the amount of turn as much as I expected but it did reduce it enough for me to be able to go full throttle without adjusting my hand position. Which if you ask me is perfect as it does not make the throttle too sensitive.
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Old November 24th, 2012, 09:51 AM   #6
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Curious as to how much the throw was actually reduced. Shame you didn't measure before/after.
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Old November 25th, 2012, 02:52 AM   #7
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I was curious too. Just so happened I put the old one on until i got new grips; which was today. I will bust out the protractor when I find it and give you an actual degree difference. About 3 to 3.5 mm difference if measured with a ruler.

A little better than the results you get my doing this mod to a z1000
http://www.riderforums.com/z1k-z750-...2-03-06-a.html

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Old November 25th, 2012, 05:54 AM   #8
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Awesome, I was hoping it was going to reduce it a bit more, but the price I might just do it anyway.
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Old November 25th, 2012, 11:49 AM   #9
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You should have got a 06 or newer R6 throttle tube, they have a quicker turn ratio than the 03-05 r6 throttle tubes. Just a FYI
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Old November 25th, 2012, 01:09 PM   #10
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Quote:
Originally Posted by Dmj_88 View Post
You should have got a 06 or newer R6 throttle tube, they have a quicker turn ratio than the 03-05 r6 throttle tubes. Just a FYI
I'm curious if this will actually fit without modding since they seem a bit larger.
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Old November 25th, 2012, 03:55 PM   #11
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They should work no problem.
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Old November 25th, 2012, 09:57 PM   #12
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Quote:
Originally Posted by Dmj_88 View Post
You should have got a 06 or newer R6 throttle tube, they have a quicker turn ratio than the 03-05 r6 throttle tubes. Just a FYI
Went down to the dealership today and got a quote for an 07 which is the same as an 06. Got quoted 67 dollars Australian. So somehow the price of an r6 throttle tube has almost tripled in 3 years 'must be the extra plastic'. So i'm interested to find out how Yamaha justifies a 42 dollar increase when you guys in the states can get it for 18 US dollars (a 6 dollar increase). By the way Aussie and US dollars are the same give or take a few cents.

http://www.boats.net/parts/detail/ya...240-00-00.html

Now i'm guessing the one I got is a 1/5th turn because the parts guy told me it had the same part number as the r1 throttle tube.

Part number for an 06-07 r6 throttle tube; Part: 2CO-26240-00. This throttle tube 'should' give you a 1/6th turn.

Will be interesting to see if the extra plastic fits as things are pretty tight already. The throttle cables will probably need adjusting from the throttle assembly on the carb. I've ordered one from the States as it only cost me $30 including postage but it will take a week to get here so I wont know till then.

Last futzed with by tubarney; November 26th, 2012 at 12:56 AM.
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Old December 2nd, 2012, 11:38 AM   #13
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Hi There, please update on how the 06-07 throttle tube worked for you. Thanks !
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Old December 2nd, 2012, 11:50 AM   #14
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Quote:
Originally Posted by tubarney View Post
Now i'm guessing the one I got is a 1/5th turn because the parts guy told me it had the same part number as the r1 throttle tube.
yeah the 03-05 R6 throttle tube is the same as the R1, definitely want the 06+ R6 throttle tube.
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Old December 4th, 2012, 08:41 PM   #15
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So if the two throttle tubes have the same OD at the cable do they have the same grip OD as well? basically will the stock ninjette grips work on the R6 throttle tube?
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Old December 9th, 2012, 03:13 PM   #16
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Refer here for more info:

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Old December 9th, 2012, 03:56 PM   #17
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Old December 9th, 2012, 04:12 PM   #18
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Old December 9th, 2012, 04:17 PM   #19
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Old December 9th, 2012, 04:27 PM   #20
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Old December 11th, 2012, 12:00 AM   #21
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Im curious. For those who have the zip tie mod and tried this mod. Which one do you prefer? Smoother throttle response? amount from closed to WOT? etc...
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Old December 11th, 2012, 02:54 AM   #22
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Quote:
Originally Posted by soundsfasterthanitis View Post
So if the two throttle tubes have the same OD at the cable do they have the same grip OD as well? basically will the stock ninjette grips work on the R6 throttle tube?
Yeah stock grips will work. I'm pretty sure all sport bike grips have the same OD (haven't seen different sizes). Good luck getting them off; your gonna need it unless you have an air compressor. Renthal grips are 15 bucks, well worth it to save you effort.

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Refer here for more info:

Bottom of page 5 through page 6

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Have you been able to install the 06+ R6 throttle tube successfully?

I got mine today and I am having some trouble getting the tube to return back to closed ( way to much friction). I'm thinking it is because the secondary throttle cable; the one thats there as a back up; is too long and it is somehow causing the tube to not return to the closed position. I can see marks on the inside of the housing where the throttle tube has been rubbing.

It spins freely without the cables installed/attached and there seems to be enough room so I'm pretty confident nothing will have to be cut away and should work once I get this fairing off to adjust this return cable.

Quote:
Originally Posted by Gorilla25 View Post
Im curious. For those who have the zip tie mod and tried this mod. Which one do you prefer? Smoother throttle response? amount from closed to WOT? etc...
I'll do the zip tie mod and let you know.
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Old December 11th, 2012, 04:31 AM   #23
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Might be the cable binding against the housing.
If anything it should be tighter than before in terms of free play.
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Old December 11th, 2012, 09:00 AM   #24
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PSA: Make sure to adjust a little free play back into the throttle if you do either the R6 throttle or the ziptie. The freeplay is there to make sure that the throttle closes fully. This is important both for safety purposes and tuning purposes.
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Old December 11th, 2012, 09:05 AM   #25
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Quote:
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I'll do the zip tie mod and let you know.
Sounds great. Thanks!
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Old December 12th, 2012, 09:55 PM   #26
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Throttle cables just needed adjusting at the carb to give more free play.

I also took the dremel rotary out and removed some of plastic from inside the housing where I noticed the secondary throttle cable was rubbing. This may not be necessary as I did this before I adjusted the cables.

If you adjust the throttle cables to give plenty of free play before you install I doubt it will rub and the throttle should not bind like mine was. Pretty sure the return cable was too tight when the bigger throttle tube was installed.

I forgot to take a before pic of the housing so you will have to compare yours to mine



I also took about 2 or 3 mm of the top of the cable adjuster because it was rubbing.



04 R6 or R1 throttle tube vs 06+ R6 throttle tube



Stock Ninja 250 vs 06+ R6



Will have a comparison of zip tie method by weekend.
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Old December 12th, 2012, 11:02 PM   #27
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Good stuff! I'll check back
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Old December 18th, 2012, 09:21 PM   #28
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Yea you can expect to do a little grinding in the housing or a little on the tube where the cable attaches. Not a big deal. Of course the cable adjustment to allow a little slack is necessary. The difference between stock and the 06+ tube is significant. It may not look like it when you compare the marks but remember that at any given throttle opening just a little twist will make a big difference. Sure it helps in your wrist but it's mostly for quicker opening of the throttle blades. Kinda makes the bike seem more responsive and less effort. Go for a ride and you will notice it.
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Old December 18th, 2012, 09:58 PM   #29
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I would like to ask you who did this mod if you'd also adjusted the free play of the throttle cable? This at least is 4 to 5mm less turning of the grip.
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Old December 19th, 2012, 02:53 AM   #30
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Took a couple days longer than expected because I had to do it twice as my first attempt at glueing the zip tie in place was not straight enough to fit in the housing.

Tonight I gave it another shot and glued it on perfect. The zip tie I used made it the exact same size as the 06+ r6 throttle at the bottom (couldn't tell the difference).



The zip tie mod reduced the turn the same amount as the 06+ R6( R6 better by 1 mm maybe; consider it zero) Theres not enough light outside to show the difference in a pic; if you can tell at all.

But even with the modifications made to my housing it still didn't work because the return throttle cable was kinking where the zip tie ends and things were not smooth at all compared with the R6 throttle tube. You have the file is flat where I circled otherwise it aint going to work with size of zip tie not to mention your cable will need replacing in a few weeks.



I used a piece 30mm/1.2 inchs long zip tie.
The zip tie size was 370mm *7.6mm; the biggest I could find. Turns out 7.6mm is the same width of the throttle tube.
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Old December 19th, 2012, 11:34 AM   #31
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Nice! Thanks for the follow up. Im sure in the zip tie diy they mentioned the tapering of the zip tie part. that would make operation smooth like you mentioned. Since I already have my zip tie mod on, i'll leave it be. For those who want a quick turn throttle and don't want to mess with their stock throttle tube, i recommend this 06+R6 throttle tube DIY.
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Old December 20th, 2012, 06:04 PM   #32
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Thanks for the info on the R6 tube tubarney. Like Gorilla, I have a smooth working ziptie mod, so it looks like I'll be keeping it instead of swapping to an R6 tube
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Old December 20th, 2012, 08:48 PM   #33
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This will probably be one of my first real modifications to the ninjette. Though, not sure if the extra money is worth it for the gains of the '06+ R6 piece in comparison to the older one.
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Old December 22nd, 2012, 04:57 AM   #34
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This will probably be one of my first real modifications to the ninjette. Though, not sure if the extra money is worth it for the gains of the '06+ R6 piece in comparison to the older one.
Depends what you want to accomplish by doing this mod. If you just want to fix the stupid engineering mistake to enable the possibility of WOT safely without having to change hand position then go with the R1 (seriously who invented the 1/4 turn throttle tube). If you want what they call a "Quick-turn throttle" go with the 06+ R6.

I agree with Gorilla25 and choneofakind; no point changing if your zip tie is working fine. Unless your paranoid about the zip-tie un-sticking itself like me.

If you want to compare your zip tie mod; the diameter of 06+ R6 throttle tube is 40mm measured horizontally so as not to include any of the cable guides. Stock and R1 is 37mm. Only diff with R1 compared to stock is one of the cable guides in longer.
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Old March 4th, 2014, 09:15 PM   #35
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I am attempting to install the 06+ R6 tube right now and I cannot get smooth action at all. I've had it apart and back together 10 different times and have trimmed the housing almost exactly like how you have detailed in post #26.
I have also added back in as much throttle cable free play at the carb as possible, and have tried every possible combination of tension in the return cable at the carb as well and still it's sticking.

Would it help to trim any part of the tube at all? Back in the day when I did this mod on my SV I had to trim a portion of the throttle tube.
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Old March 4th, 2014, 09:51 PM   #36
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Quote:
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I am attempting to install the 06+ R6 tube right now and I cannot get smooth action at all. I've had it apart and back together 10 different times and have trimmed the housing almost exactly like how you have detailed in post #26.
I have also added back in as much throttle cable free play at the carb as possible, and have tried every possible combination of tension in the return cable at the carb as well and still it's sticking.

Would it help to trim any part of the tube at all? Back in the day when I did this mod on my SV I had to trim a portion of the throttle tube.
I installed mines with no modifications at all, snaps back with ease. Have u tried reinstalling the original tube?
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Old March 4th, 2014, 10:03 PM   #37
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I installed mines with no modifications at all, snaps back with ease. Have u tried reinstalling the original tube?
Yes I reinstalled original tube and it works as it should.

I just tried removing the secondary return cable from the R6 tube and it operates perfectly and snaps back as it should. So the problem is definitely the return cable.

In the attached pictures you can see how the cables are adjusted at the carb and how I have the return cable routed on the throttle tube. I have it wrapping around the OD of the tube, then into the routing path in the switch housing (routed behind the main throttle cable).

When I give it very partial throttle I can hear a slight clicking inside but can't track that down...

For a race bike any real danger to just removing the return cable?
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Old March 5th, 2014, 12:04 AM   #38
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This is my setup... Just buy a Yamaha R6 throttle assembly + Switch gear and a universal throttle kit... Jerry rig the switch gear to work with the current setup and make your custom throttle cable using the kit... Voila...
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Old March 5th, 2014, 09:57 PM   #39
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The 06+ R6 tube requires SIGNIFICANT trimming of the stock switch housing for it to work. For those who say it's a drop-in replacement I don't see how their throttle can snap back when it's released.

The OD of the R6 tube is about 4mm larger than stock so it will rub without a bit of trimming. I needed much more material removed than what was shown by the OP in post #26....

Edit:
I modified the picture posted above and boxed in red the material I needed to remove on both sides. Otherwise the OD of the tube rubs the housing.
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Old March 5th, 2014, 11:36 PM   #40
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I'm using the r6 throttle and it was plug and play for me, I bought one like this off ebay

http://www.ebay.com/itm/05-11-Yamaha...68ac2f&vxp=mtr

You do have to tighten the wire down by the carbs though.
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[sportrider - latest stories] - Yoyodyne Quick-Turn Adjustable Throttle Ninjette Newsbot Motorcycling News 0 December 30th, 2010 01:11 AM
[roadracingworld.com] - Tuesday Video: Installing A Revolver Quick-turn Throttle Kit Ninjette Newsbot Motorcycling News 0 February 23rd, 2010 02:20 PM
[roadracingworld.com] - Monday Video: Installing A Revolver Quick-turn Throttle Kit F Ninjette Newsbot Motorcycling News 0 February 22nd, 2010 02:10 PM
Dan Kyle's Quick turn throttle question Gregular 2008 - 2012 Ninja 250R Tech Talk 7 February 28th, 2009 03:14 AM


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